Page 9 - GainguzziPaniniCusimano

Figure S6. (a) Detail of a twig with acoms of Quercus virgiliana, typical species of forest communities spread on deep and
evolved soils, referred to the Quercetea ilicis class (order Quercetalia ilicis); (b) mountain landscape dominated by
deciduous woods with Castanea sativa (class Querco-Fagetea sylvaticae) and oaks of the Quercus pubescens group (classes
Quercetea ilicis and Querco-Fagetea sylvaticae); (c) deciduous oak woods on the southem slope of the Nebrodi Mts.; in the
background, Mount Etna; (d) overview of the woodlands downstream of Rocca Busambra; (e-f) aspects of the Quercus cerris
wood (Arrhenathero-Quercetum cerridis), widespread in large areas of the Nebrodi Mts., especia!Jy along the Tyrrhenian
side between l ,000 m and l ,350 m a.s.I.